pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-59778-2228_Norah_Creina.ps) >>/Users/jc/w/tmp/Tune-59778-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2228_Norah_Creina.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_59778.log 1444775 Log file, useful mostly for debugging
Tune-59778-2228_Norah_Creina.abc 448 ABC music file with the extracted tune(s)
Tune-59778-2228_Norah_Creina.ps 33525 PostScript
Tune-59778-2228_Norah_Creina.txt 448 Plain-text file with the extracted tune(s)
Tune-59778-get.log 7678 Log file, useful mostly for debugging
These files should be available for 24 hours.